AMD Radeon HD 7970 vs NVIDIA GeForce GTX 690

VS

AMD Radeon HD 7970

NVIDIA GeForce GTX 690

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 2GB VRAM GeForce GTX 690 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 2GB)

Larger VRAM bandwidth (264.0GB/s vs 192.3GB/s)

512 additional rendering cores

Lower TDP (250W vs 300W)

NVIDIA GeForce GTX 690 's Advantages

Boost Clock1019MHz

Score

Benchmark

FP32 (float)

Radeon HD 7970 +21%

3.789 TFLOPS

GeForce GTX 690

3.13 TFLOPS

Radeon HD 7970

VS

GeForce GTX 690

Graphics Card

Dec 2011

Release Date

May 2012

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

1019 MHz

1375 MHz

Memory Clock

1502 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

192.3GB/s

Render Config

32

Compute Units

-

2048

Shading Units

1536

128

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

32.61 GPixel/s

118.4 GTexel/s

Texture Rate

130.4 GTexel/s

-

3.789 TFLOPS

FP32 (float)

3.130 TFLOPS

947.2 GFLOPS

FP64 (double)

130.4 GFLOPS

Board Design

250W

TDP

300W

600 W

Suggested PSU

700 W

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

Outputs

3x DVI 1x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

GK104

Tahiti XT (215-0821060)

GPU Variant

GK104-355-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

3.54 billion

352 mm²

Die Size

294 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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