NVIDIA GeForce GT 640 vs AMD Radeon R9 FURY X2

VS

NVIDIA GeForce GT 640

AMD Radeon R9 FURY X2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 4GB VRAM Radeon R9 FURY X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 FURY X2 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 28.51GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon R9 FURY X2 +1141%

8.602 TFLOPS

GeForce GT 640

VS

Radeon R9 FURY X2

Graphics Card

Jun 2012

Release Date

Unknown

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

891 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

HBM

128bit

Memory Bus

4096bit

28.51GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

64

-

384

Shading Units

4096

32

TMUs

256

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

67.20 GPixel/s

28.86 GTexel/s

Texture Rate

268.8 GTexel/s

-

692.7 GFLOPS

FP32 (float)

8.602 TFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

Unknown

250 W

Suggested PSU

200 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

GK107

GPU Name

Capsaicin

GK107-300-A2

GPU Variant

Capsaicin XT C9

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

8.9 billion

118 mm²

Die Size

596 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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