AMD Radeon R7 250X vs NVIDIA GeForce 8800 Ultra

VS

AMD Radeon R7 250X

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 768MB VRAM GeForce 8800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages

Released 6 years and 9 months late

More VRAM (1024GB vs 768GB)

512 additional rendering cores

Lower TDP (80W vs 171W)

NVIDIA GeForce 8800 Ultra 's Advantages

Larger VRAM bandwidth (103.7GB/s vs 72.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 250X +214%

1.216 TFLOPS

GeForce 8800 Ultra

0.387 TFLOPS

Radeon R7 250X

VS

GeForce 8800 Ultra

Graphics Card

Feb 2014

Release Date

May 2007

Volcanic Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1080 MHz

Memory

1024MB

Memory Size

768MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

384bit

72.00GB/s

Bandwidth

103.7GB/s

Render Config

10

Compute Units

-

SM Count

16

640

Shading Units

128

40

TMUs

32

16

ROPs

24

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

96 KB

-

Theoretical Performance

15.20 GPixel/s

Pixel Rate

14.69 GPixel/s

38.00 GTexel/s

Texture Rate

39.17 GTexel/s

-

1216 GFLOPS

FP32 (float)

387.1 GFLOPS

76.00 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

171W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cape Verde

GPU Name

G80

Cape Verde XT

GPU Variant

G80-450-A3

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

1.5 billion

Transistors

0.681 billion

123 mm²

Die Size

484 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1 (1.0)

1.2

Vulkan

N/A

-

CUDA

1.0

5.1

Shader Model

4.0

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