AMD Radeon HD 7970 vs NVIDIA GeForce GT 140 OEM

VS

AMD Radeon HD 7970

NVIDIA GeForce GT 140 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM GeForce GT 140 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Released 2 years and 9 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 57.60GB/s)

1984 additional rendering cores

NVIDIA GeForce GT 140 OEM 's Advantages

Lower TDP (105W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +1721%

3.789 TFLOPS

GeForce GT 140 OEM

0.208 TFLOPS

Radeon HD 7970

VS

GeForce GT 140 OEM

Graphics Card

Dec 2011

Release Date

Mar 2009

Southern Islands

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

57.60GB/s

Render Config

32

Compute Units

-

SM Count

8

2048

Shading Units

64

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

10.40 GPixel/s

118.4 GTexel/s

Texture Rate

20.80 GTexel/s

-

3.789 TFLOPS

FP32 (float)

208.0 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

105W

600 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

G94B

Tahiti XT (215-0821060)

GPU Variant

-

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.505 billion

352 mm²

Die Size

196 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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