Home GPU Comparison AMD Radeon HD 6870 1600SP Edition vs AMD Radeon HD 6850 1440SP Edition

AMD Radeon HD 6870 1600SP Edition vs AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages
Larger VRAM bandwidth (134.4GB/s vs 128.0GB/s)
160 additional rendering cores
AMD Radeon HD 6850 1440SP Edition 's Advantages
Lower TDP (151W vs 175W)

Score

Benchmark

FP32 (float)
Radeon HD 6870 1600SP Edition +30%
2.72 TFLOPS
Radeon HD 6850 1440SP Edition
2.088 TFLOPS
VS

Graphics Card

Jan 2013
Release Date
Aug 2012
Northern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1050 MHz
Memory Clock
1000 MHz

Memory

1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
128.0GB/s

Render Config

20
Compute Units
18
-
-
-
1600
Shading Units
1440
80
TMUs
72
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

27.20 GPixel/s
Pixel Rate
23.20 GPixel/s
68.00 GTexel/s
Texture Rate
52.20 GTexel/s
-
-
-
2.720 TFLOPS
FP32 (float)
2.088 TFLOPS
544.0 GFLOPS
FP64 (double)
417.6 GFLOPS

Board Design

175W
TDP
151W
450 W
Suggested PSU
450 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
2x 6-pin

Graphics Processor

Cypress
GPU Name
Cypress
Cypress XT (215-0735033)
GPU Variant
Cypress PRO (215-0735043)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.154 billion
Transistors
2.154 billion
334 mm²
Die Size
334 mm²

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
-
-
-
5.0
Shader Model
5.0

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