AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon HD 8490 OEM

VS

AMD Radeon HD 7950 Monica BIOS 1 AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 1 and 1024MB VRAM Radeon HD 8490 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Monica BIOS 1 's Advantages

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)

1376 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Released 1 years and 6 months late

Lower TDP (35W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Monica BIOS 1 +915%

2.842 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon HD 7950 Monica BIOS 1

VS

Radeon HD 8490 OEM

Graphics Card

Jan 2012

Release Date

Jul 2013

Southern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

24

Compute Units

2

1536

Shading Units

160

96

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

3.500 GPixel/s

88.80 GTexel/s

Texture Rate

7.000 GTexel/s

-

FP16 (half)

-

2.842 TFLOPS

FP32 (float)

280.0 GFLOPS

710.4 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Caicos

Tahiti PRO (215-0821056)

GPU Variant

Caicos XTX

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.37 billion

352 mm²

Die Size

67 mm²

Board Design

185W

TDP

35W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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