AMD Radeon HD 8860 OEM vs NVIDIA GeForce GT 640

VS

AMD Radeon HD 8860 OEM

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8860 OEM and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8860 OEM 's Advantages

Released 7 months late

Larger VRAM bandwidth (179.2GB/s vs 28.51GB/s)

896 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8860 OEM +241%

2.368 TFLOPS

GeForce GT 640

0.693 TFLOPS

Radeon HD 8860 OEM

VS

GeForce GT 640

Graphics Card

Jan 2013

Release Date

Jun 2012

Sea Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1400 MHz

Memory Clock

891 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

28.51GB/s

Render Config

20

Compute Units

-

1280

Shading Units

384

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

7.216 GPixel/s

74.00 GTexel/s

Texture Rate

28.86 GTexel/s

-

2.368 TFLOPS

FP32 (float)

692.7 GFLOPS

148.0 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

175W

TDP

65W

450 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

Curacao

GPU Name

GK107

Curacao PRO (215-0848000)

GPU Variant

GK107-300-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.27 billion

212 mm²

Die Size

118 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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