NVIDIA GeForce GTX 970 vs AMD Radeon HD 7950 Boost

VS

NVIDIA GeForce GTX 970 AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970 's Advantages

Released 2 years and 3 months late

Boost Clock has increased by 27% (1178MHz vs 925MHz)

More VRAM (4GB vs 3GB)

Lower TDP (148W vs 200W)

AMD Radeon HD 7950 Boost 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 224.4GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 970 +18%

3.92 TFLOPS

Radeon HD 7950 Boost

3.315 TFLOPS

GeForce GTX 970

VS

Radeon HD 7950 Boost

Graphics Card

Sep 2014

Release Date

Jun 2012

GeForce 900

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1050 MHz

Base Clock

850 MHz

1178 MHz

Boost Clock

925 MHz

1753 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

224.4GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

Compute Units

28

1664

Shading Units

1792

104

TMUs

112

56

ROPs

32

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

Theoretical Performance

65.97 GPixel/s

Pixel Rate

29.60 GPixel/s

122.5 GTexel/s

Texture Rate

103.6 GTexel/s

-

FP16 (half)

-

3.920 TFLOPS

FP32 (float)

3.315 TFLOPS

122.5 GFLOPS

FP64 (double)

828.8 GFLOPS

Graphics Processor

GM204

GPU Name

Tahiti

GM204-200-A1

GPU Variant

Tahiti PRO2 (215-0821282)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

4.313 billion

398 mm²

Die Size

352 mm²

Board Design

148W

TDP

200W

300 W

Suggested PSU

550 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

5.1

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