AMD Radeon HD 6870 vs ATI Radeon HD 5770 X2

VS

AMD Radeon HD 6870 ATI Radeon HD 5770 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 1024MB VRAM Radeon HD 5770 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 76.80GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 +48%

2.016 TFLOPS

Radeon HD 5770 X2

1.36 TFLOPS

Radeon HD 6870

VS

Radeon HD 5770 X2

Graphics Card

Oct 2010

Release Date

Oct 2010

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

14

Compute Units

10

1120

Shading Units

800

56

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

13.60 GPixel/s

50.40 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

1360 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

Juniper

Barts XT (215-0798000)

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

1.04 billion

255 mm²

Die Size

166 mm²

Board Design

151W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

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

2x 6-pin

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon HD 8870 OEM vs AMD Radeon HD 6870

2

AMD Radeon Pro 5700 XT vs AMD Radeon HD 6870

3

NVIDIA GeForce RTX 3080 vs AMD Radeon HD 6870

4

AMD Radeon R7 350X OEM vs AMD Radeon HD 6870

5

AMD Radeon HD 7470 OEM vs AMD Radeon HD 6870

6

Intel Xe DG1 vs AMD Radeon HD 6870

7

AMD Radeon HD 6870 vs NVIDIA GeForce GTX 460

8

AMD Radeon HD 6870 vs NVIDIA GeForce GTX 460 SE v2

9

AMD Radeon HD 6870 vs Intel Arc A770

10

AMD Radeon HD 6870 vs ATI FireGL V8600