FirePro V3900 vs Radeon R8 M365DX

FirePro V3900

2011Core: 725 MHz
Similar parts
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VS
AMD

Radeon R8 M365DX

2015Core: 900 MHzBoost: 925 MHz
Similar parts
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FirePro V3900 vs Radeon R8 M365DX Performance Spectrum

About G3D Mark

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.

FirePro V3900 vs Radeon R8 M365DX: Pros, Cons & Final Verdict

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

FirePro V3900

2011

Why buy it

  • Delivers 100+% more G3D Mark for each dollar spent, at 5.3 vs 0 G3D/$ ($119 MSRP vs Unknown MSRP).
  • 100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).

Trade-offs

  • 2011 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 400% higher power demand at 150W vs 30W.

Radeon R8 M365DX

2015

Why buy it

  • Draws 30W instead of 150W, a 120W reduction.
  • More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

  • Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
  • 2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • Lower G3D Mark per dollar, at 0 vs 5.3 G3D/$ (Unknown MSRP vs $119 MSRP).

Quick Answers

Which GPU is faster for gaming right now?
Radeon R8 M365DX is the faster gaming card right now based on the synthetic data we have. It leads by 2.5% in PassMark G3D (647 vs 631), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
FirePro V3900 is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
FirePro V3900 makes the most sense today based on the pricing and value data we have for this matchup. Radeon R8 M365DX still makes more sense if max raw gaming performance matters more than value.

FirePro V3900 vs Radeon R8 M365DX Technical Specifications

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

AMD

FirePro V3900

The FirePro V3900 is manufactured by AMD. It was released in May 24 2011. It features the TeraScale 3 architecture. The core clock speed is 725 MHz. It has 1280 shading units. The thermal design power (TDP) is 150W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 631 points.

AMD

Radeon R8 M365DX

The Radeon R8 M365DX is manufactured by AMD. It was released in May 5 2015. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 647 points.

Graphics Performance

The FirePro V3900 scores 631 and the Radeon R8 M365DX reaches 647 in the G3D Mark benchmark — just a 2.5% difference, making them near-identical in rasterization performance. The FirePro V3900 is built on TeraScale 3 while the Radeon R8 M365DX uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 1,280 (FirePro V3900) vs 640 (Radeon R8 M365DX). Raw compute: 1.856 TFLOPS (FirePro V3900) vs 1.184 TFLOPS (Radeon R8 M365DX).

FeatureFirePro V3900Radeon R8 M365DX
G3D Mark Score
631
647+3%
Architecture
TeraScale 3
GCN 1.0
Process Node
40 nm
28 nm
Shading Units
1280+100%
640
Compute (TFLOPS)
1.856 TFLOPS+57%
1.184 TFLOPS
ROPs
32+100%
16
TMUs
80+100%
40
L1 Cache
320 KB+100%
160 KB
L2 Cache
512 KB+100%
256 KB

Advanced Features (DLSS/FSR)

FeatureFirePro V3900Radeon R8 M365DX
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

The FirePro V3900 has 1 GB of VRAM, while the Radeon R8 M365DX carries 512 MB. FirePro V3900 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the FirePro V3900 and 64-bit on the Radeon R8 M365DX. L2 Cache: 512 KB (FirePro V3900) vs 256 KB (Radeon R8 M365DX) — the FirePro V3900 has significantly larger on-die cache to reduce VRAM reliance.

FeatureFirePro V3900Radeon R8 M365DX
VRAM Capacity
1 GB+100%
0.5 GB
Memory Type
GDDR5
GDDR5
Bus Width
64-bit
64-bit
L2 Cache
512 KB+100%
256 KB
🖥️

Display & API Support

DirectX support: 11.0 (FirePro V3900) vs 12 (Radeon R8 M365DX). Vulkan: N/A vs 1.2. OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 2 vs 3.

FeatureFirePro V3900Radeon R8 M365DX
DirectX
11.0
12+9%
Vulkan
N/A
1.2
OpenGL
4.4
4.6+5%
Max Displays
2
3+50%
🎬

Media & Encoding

Hardware encoder: None (FirePro V3900) vs VCE 3.1 (Radeon R8 M365DX). Decoder: UVD 3.0 vs UVD 6.0. Supported codecs: MPEG-2,VC-1,H.264,MPEG-4,MVC (FirePro V3900) vs H.264,HEVC,VP9 (Radeon R8 M365DX).

FeatureFirePro V3900Radeon R8 M365DX
Encoder
None
VCE 3.1
Decoder
UVD 3.0
UVD 6.0
Codecs
MPEG-2,VC-1,H.264,MPEG-4,MVC
H.264,HEVC,VP9
🔌

Power & Dimensions

The FirePro V3900 draws 150W versus the Radeon R8 M365DX's 30W — a 133.3% difference. The Radeon R8 M365DX is more power-efficient. Recommended PSU: 350W (FirePro V3900) vs 350W (Radeon R8 M365DX). Power connectors: PCIe-powered vs PCIe-powered. Typical load temperature: 80 vs 90°C.

FeatureFirePro V3900Radeon R8 M365DX
TDP
150W
30W-80%
Recommended PSU
350W
350W
Power Connector
PCIe-powered
PCIe-powered
Length
168mm
Height
69mm
Slots
1
Temp (Load)
80-11%
90°C
Perf/Watt
4.2
21.6+414%
💰

Value Analysis

At launch, the FirePro V3900 came in at $119, while the Radeon R8 M365DX launched at $0. On MSRP, Radeon R8 M365DX was 100+% cheaper ($119 less). Performance per dollar on MSRP (G3D Mark / MSRP): 5.3 (FirePro V3900) vs Infinity (Radeon R8 M365DX) — the Radeon R8 M365DX offers Infinity% better value. The newer card here is Radeon R8 M365DX (2015 vs 2011).

FeatureFirePro V3900Radeon R8 M365DX
MSRP
$119
$0-100%
Performance per Dollar
5.3
Infinity
Codename
Cayman
Tropo
Release
May 24 2011
May 5 2015
Ranking
#656
#769

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