ATI Radeon HD 5970 vs NVIDIA GeForce GTX 645 OEM

VS

ATI Radeon HD 5970

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5970 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

1024 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 3 years and 5 months late

Lower TDP (65W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970 +144%

2.32 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

ATI Radeon HD 5970

VS

GeForce GTX 645 OEM

Graphics Card

Nov 2009

Release Date

Apr 2013

Evergreen

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

64.00GB/s

Render Config

20

Compute Units

-

1600

Shading Units

576

80

TMUs

48

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

9.888 GPixel/s

58.00 GTexel/s

Texture Rate

39.55 GTexel/s

-

2.320 TFLOPS

FP32 (float)

949.2 GFLOPS

464.0 GFLOPS

FP64 (double)

39.55 GFLOPS

Board Design

294W

TDP

65W

600 W

Suggested PSU

250 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Hemlock

GPU Name

GK106

Hemlock XT (215-0735075)

GPU Variant

GK106-200-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.54 billion

334 mm²

Die Size

221 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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