AMD Radeon HD 7950 Monica BIOS 2 vs AMD Radeon HD 6870 1600SP Edition

VS

AMD Radeon HD 7950 Monica BIOS 2 AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 2 and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Monica BIOS 2 's Advantages

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 134.4GB/s)

Lower TDP (85W vs 175W)

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 1 years late

832 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950 Monica BIOS 2

1.229 TFLOPS

Radeon HD 6870 1600SP Edition +121%

2.72 TFLOPS

Radeon HD 7950 Monica BIOS 2

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Jan 2012

Release Date

Jan 2013

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1050 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

12

Compute Units

20

768

Shading Units

1600

48

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

27.20 GPixel/s

38.40 GTexel/s

Texture Rate

68.00 GTexel/s

-

FP16 (half)

-

1229 GFLOPS

FP32 (float)

2.720 TFLOPS

307.2 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

Cypress

Tahiti PRO (215-0821056)

GPU Variant

Cypress XT (215-0735033)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

2.154 billion

352 mm²

Die Size

334 mm²

Board Design

85W

TDP

175W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

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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