GeForce 945A vs Radeon R6 M340DX

NVIDIA

GeForce 945A

2015Core: 1006 MHzBoost: 1189 MHz
VS
AMD

Radeon R6 M340DX

2015Core: 955 MHzBoost: 1030 MHz

GeForce 945A vs Radeon R6 M340DX 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.

GeForce 945A vs Radeon R6 M340DX 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.

GeForce 945A vs Radeon R6 M340DX: Pros, Cons & Final Verdict

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

GeForce 945A

2015

Why buy it

  • 67.5% more average FPS across 50 tracked games in our benchmark data.
  • Delivers 100+% more G3D Mark for each dollar spent, at 18.5 vs 0 G3D/$ ($100 MSRP vs Unknown MSRP).

Trade-offs

  • 2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon R6 M340DX

2015

Why buy it

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

Trade-offs

  • Lower average FPS than GeForce 945A across 50 tracked games in our benchmark data.
  • 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 18.5 G3D/$ (Unknown MSRP vs $100 MSRP).

Quick Answers

Which GPU is faster for gaming right now?
GeForce 945A is the faster gaming card right now. In our data, it leads by 67.5% in average FPS across 50 tracked games in our benchmark data and by 2.9% in PassMark G3D (1,852 vs 1,800), so the answer here is pretty clean.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce 945A 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?
GeForce 945A makes the most sense today based on the pricing and value data we have for this matchup.

GeForce 945A vs Radeon R6 M340DX Technical Specifications

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

NVIDIA

GeForce 945A

The GeForce 945A is manufactured by NVIDIA. It was released in March 13 2015. It features the Maxwell architecture. The core clock ranges from 1006 MHz to 1189 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,852 points.

AMD

Radeon R6 M340DX

The Radeon R6 M340DX is manufactured by AMD. It was released in December 12 2015. It features the GCN 1.0 architecture. The core clock ranges from 955 MHz to 1030 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,800 points.

Graphics Performance

The GeForce 945A scores 1,852 and the Radeon R6 M340DX reaches 1,800 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The GeForce 945A is built on Maxwell while the Radeon R6 M340DX uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce 945A) vs 384 (Radeon R6 M340DX). Raw compute: 0.9132 TFLOPS (GeForce 945A) vs 0.791 TFLOPS (Radeon R6 M340DX). Boost clocks: 1189 MHz vs 1030 MHz.

FeatureGeForce 945ARadeon R6 M340DX
G3D Mark Score
1,852+3%
1,800
Architecture
Maxwell
GCN 1.0
Process Node
28 nm
28 nm
Shading Units
384
384
Compute (TFLOPS)
0.9132 TFLOPS+15%
0.791 TFLOPS
Boost Clock
1189 MHz+15%
1030 MHz
ROPs
8
8
TMUs
24
24
L1 Cache
192 KB+100%
96 KB
L2 Cache
1 MB+300%
0.25 MB

Advanced Features (DLSS/FSR)

The GeForce 945A gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R6 M340DX leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce 945ARadeon R6 M340DX
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
NVIDIA Reflex
AMD Anti-Lag
💾

Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the GeForce 945A and 64-bit on the Radeon R6 M340DX. L2 Cache: 1 MB (GeForce 945A) vs 0.25 MB (Radeon R6 M340DX) — the GeForce 945A has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce 945ARadeon R6 M340DX
VRAM Capacity
0.5 GB
0.5 GB
Memory Type
GDDR5
GDDR5
Bus Width
128-bit+100%
64-bit
L2 Cache
1 MB+300%
0.25 MB
🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce 945A) vs 12_0 (Radeon R6 M340DX). Maximum simultaneous displays: 2 vs 0.

FeatureGeForce 945ARadeon R6 M340DX
DirectX
12 (11_0)
12_0
Max Displays
2
0
🎬

Media & Encoding

Hardware encoder: 4th Gen NVENC (Maxwell) (GeForce 945A) vs VCE 2.0 (Radeon R6 M340DX). Decoder: PureVideo HD VP6 vs UVD 4.2.

FeatureGeForce 945ARadeon R6 M340DX
Encoder
4th Gen NVENC (Maxwell)
VCE 2.0
Decoder
PureVideo HD VP6
UVD 4.2
Codecs
H.264,HEVC
🔌

Power & Dimensions

The GeForce 945A draws 33W versus the Radeon R6 M340DX's 30W — a 9.5% difference. The Radeon R6 M340DX is more power-efficient. Recommended PSU: 350W (GeForce 945A) vs 350W (Radeon R6 M340DX). Power connectors: Legacy vs PCIe-powered.

FeatureGeForce 945ARadeon R6 M340DX
TDP
33W
30W-9%
Recommended PSU
350W
350W
Power Connector
Legacy
PCIe-powered
Length
1mm
Slots
0
0
Temp (Load)
80°C
Perf/Watt
56.1
60.0+7%
💰

Value Analysis

At launch, the GeForce 945A came in at $100, while the Radeon R6 M340DX launched at $0. On MSRP, Radeon R6 M340DX was 100+% cheaper ($100 less). Performance per dollar on MSRP (G3D Mark / MSRP): 18.5 (GeForce 945A) vs Infinity (Radeon R6 M340DX) — the Radeon R6 M340DX offers Infinity% better value.

FeatureGeForce 945ARadeon R6 M340DX
MSRP
$100
$0-100%
Performance per Dollar
18.5
Infinity
Codename
GM108
Jet
Release
March 13 2015
December 12 2015
Ranking
#705
#852

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