AMD Radeon HD 6970 vs NVIDIA GeForce GT 635 OEM

VS

AMD Radeon HD 6970 NVIDIA GeForce GT 635 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 1024MB VRAM GeForce GT 635 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 14.40GB/s)

1152 additional rendering cores

NVIDIA GeForce GT 635 OEM 's Advantages

Released 2 years and 10 months late

Lower TDP (35W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +263%

2.703 TFLOPS

GeForce GT 635 OEM

0.743 TFLOPS

Radeon HD 6970

VS

GeForce GT 635 OEM

Graphics Card

Dec 2010

Release Date

Oct 2013

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

24

Compute Units

-

1536

Shading Units

384

96

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

7.736 GPixel/s

84.48 GTexel/s

Texture Rate

30.94 GTexel/s

-

FP16 (half)

-

2.703 TFLOPS

FP32 (float)

742.7 GFLOPS

675.8 GFLOPS

FP64 (double)

30.94 GFLOPS

Graphics Processor

Cayman

GPU Name

GK208

Cayman XT (215-0807007)

GPU Variant

-

TeraScale 3

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

1.02 billion

389 mm²

Die Size

87 mm²

Board Design

250W

TDP

35W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

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

3.5

5.0

Shader Model

5.1

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