G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Radeon HD 7990 vs Radeon Pro WX 5100 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

Radeon HD 7990 vs Radeon Pro WX 5100: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Radeon HD 7990

2013

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Lower average FPS than Radeon Pro WX 5100 across 50 tracked games in our benchmark data.
❌Less VRAM, with 3 GB vs 8 GB for high-resolution textures and newer games.
❌2013 hardware with 3 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
100.2% HIGHER MSRP
$999 MSRPvs$499 MSRP
❌Lower G3D Mark per dollar, at 5.6 vs 11.0 G3D/$ ($999 MSRP vs $499 MSRP).

Radeon Pro WX 5100

2016

Why buy it

✅16.6% more average FPS across 50 tracked games in our benchmark data.
✅Costs $500 less on MSRP ($499 MSRP vs $999 MSRP).
✅Delivers 97.8% more G3D Mark for each dollar spent, at 11.0 vs 5.6 G3D/$ ($499 MSRP vs $999 MSRP).
✅163.5% more VRAM for high-resolution textures and newer games (8 GB vs 3 GB).
✅Draws 75W instead of 375W, a 300W reduction.

Trade-offs

❌2016 hardware with 8 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Quick Answers

Which GPU is faster for gaming right now?

Radeon Pro WX 5100 is the faster gaming card right now. In our data, it leads by 16.6% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 7990 instead at 5,566 vs 5,500, so for this question the real-game FPS result matters more than the synthetic split.

Which GPU is the safer long-term pick for 2026 and beyond?

Radeon HD 7990 is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

Radeon Pro WX 5100 makes the most sense to buy today. It is $500 cheaper on MSRP at $499 vs $999, and it leads G3D-per-dollar by 97.8% (11.0 vs 5.6), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Radeon Pro WX 5100 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 7990 has the stronger long-term case.

Radeon HD 7990 vs Radeon Pro WX 5100 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 7990

The Radeon HD 7990 is manufactured by AMD. It was released in April 24 2013. It features the GCN 1.0 architecture. The core clock ranges from 950 MHz to 1000 MHz. It has 2048 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,566 points. Launch price was $999.

Radeon Pro WX 5100

The Radeon Pro WX 5100 is manufactured by AMD. It was released in November 18 2016. It features the GCN 4.0 architecture. The core clock ranges from 713 MHz to 1086 MHz. It has 1792 shading units. The thermal design power (TDP) is 75W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 5,500 points. Launch price was $499.

⚡

Graphics Performance

The Radeon HD 7990 scores 5,566 and the Radeon Pro WX 5100 reaches 5,500 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon HD 7990 is built on GCN 1.0 while the Radeon Pro WX 5100 uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 2,048 (Radeon HD 7990) vs 1,792 (Radeon Pro WX 5100). Raw compute: 4.096 TFLOPS ×2 (Radeon HD 7990) vs 3.892 TFLOPS (Radeon Pro WX 5100). Boost clocks: 1000 MHz vs 1086 MHz.

Feature	Radeon HD 7990	Radeon Pro WX 5100
G3D Mark Score	5,566+1%	5,500
Architecture	GCN 1.0	GCN 4.0
Process Node	28 nm	14 nm
Shading Units	2048 ×2+14%	1792
Compute (TFLOPS)	4.096 TFLOPS ×2+5%	3.892 TFLOPS
Boost Clock	1000 MHz	1086 MHz+9%
ROPs	32 ×2	32
TMUs	128 ×2+14%	112
L1 Cache	512 KB+14%	448 KB
L2 Cache	0.75 MB	2 MB+167%
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 7990	Radeon Pro WX 5100
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

The Radeon HD 7990 has 3 GB of VRAM, while the Radeon Pro WX 5100 carries 8 GB. Radeon Pro WX 5100 gives you 163.5% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 384-bit x2 on the Radeon HD 7990 and 128-bit on the Radeon Pro WX 5100. L2 Cache: 0.75 MB (Radeon HD 7990) vs 2 MB (Radeon Pro WX 5100) — the Radeon Pro WX 5100 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 7990	Radeon Pro WX 5100
VRAM Capacity	3 GB	7.906 GB+164%
Memory Type	GDDR5	GDDR6
Bus Width	384-bit x2+200%	128-bit
L2 Cache	0.75 MB	2 MB+167%

🖥️

Display & API Support

DirectX support: 12 (11_1) (Radeon HD 7990) vs 12 (12_0) (Radeon Pro WX 5100). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 5 vs 4.

Feature	Radeon HD 7990	Radeon Pro WX 5100
DirectX	12 (11_1)	12 (12_0)
Vulkan	1.2	1.3+8%
OpenGL	4.6	4.6
Max Displays	5+25%	4

🎬

Media & Encoding

Hardware encoder: VCE 1.0 (Radeon HD 7990) vs VCE 3.4 (Radeon Pro WX 5100). Decoder: UVD 3.2 vs UVD 6.3. Supported codecs: H.264,MPEG-2,VC-1 (Radeon HD 7990) vs H.264,HEVC (Radeon Pro WX 5100).

Feature	Radeon HD 7990	Radeon Pro WX 5100
Encoder	VCE 1.0	VCE 3.4
Decoder	UVD 3.2	UVD 6.3
Codecs	H.264,MPEG-2,VC-1	H.264,HEVC

🔌

Power & Dimensions

The Radeon HD 7990 draws 375W versus the Radeon Pro WX 5100's 75W — a 133.3% difference. The Radeon Pro WX 5100 is more power-efficient. Recommended PSU: 750W (Radeon HD 7990) vs 350W (Radeon Pro WX 5100). Power connectors: 2x 8-pin vs PCIe-powered. Card length: 305mm vs 173mm, occupying 2 vs 1 slots. Typical load temperature: 85 vs 82°C.

Feature	Radeon HD 7990	Radeon Pro WX 5100
TDP	375W	75W-80%
Recommended PSU	750W	350W-53%
Power Connector	2x 8-pin	PCIe-powered
Length	305mm	173mm
Height	111mm	69mm
Slots	2	1-50%
Temp (Load)	85	82°C-4%
Perf/Watt	14.8	73.3+395%

💰

Value Analysis

At launch, the Radeon HD 7990 came in at $999, while the Radeon Pro WX 5100 launched at $499. On MSRP, Radeon Pro WX 5100 was 50.1% cheaper ($500 less). Performance per dollar on MSRP (G3D Mark / MSRP): 5.6 (Radeon HD 7990) vs 11.0 (Radeon Pro WX 5100) — the Radeon Pro WX 5100 offers 96.4% better value. The newer card here is Radeon Pro WX 5100 (2016 vs 2013).

Feature	Radeon HD 7990	Radeon Pro WX 5100
MSRP	$999	$499-50%
Performance per Dollar	5.6	11.0+96%
Codename	Malta	Ellesmere
Release	April 24 2013	November 18 2016
Ranking	#412	#416

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