AMD Radeon HD 7970 vs NVIDIA GeForce GTX 750

VS

AMD Radeon HD 7970

NVIDIA GeForce GTX 750

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM GeForce GTX 750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 80.19GB/s)

1536 additional rendering cores

NVIDIA GeForce GTX 750 's Advantages

Released 2 years and 2 months late

Boost Clock1085MHz

Lower TDP (55W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +241%

3.789 TFLOPS

GeForce GTX 750

1.111 TFLOPS

3DMark Time Spy

Radeon HD 7970 +117%

2279

GeForce GTX 750

1048

Radeon HD 7970

VS

GeForce GTX 750

Graphics Card

Dec 2011

Release Date

Feb 2014

Southern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

1375 MHz

Memory Clock

1253 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

80.19GB/s

Render Config

32

Compute Units

-

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

17.36 GPixel/s

118.4 GTexel/s

Texture Rate

34.72 GTexel/s

-

3.789 TFLOPS

FP32 (float)

1111 GFLOPS

947.2 GFLOPS

FP64 (double)

34.72 GFLOPS

Board Design

250W

TDP

55W

600 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 2.0

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GM107

Tahiti XT (215-0821060)

GPU Variant

GM107-300-A2

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.87 billion

352 mm²

Die Size

148 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

5.1

Shader Model

5.1

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