Home GPU Comparison AMD Radeon HD 6990 vs AMD Radeon HD 6570

AMD Radeon HD 6990 vs AMD Radeon HD 6570

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 2GB VRAM Radeon HD 6570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
1056 additional rendering cores
AMD Radeon HD 6570 's Advantages
Lower TDP (60W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 6990 +308%
2.55 TFLOPS
Radeon HD 6570
0.624 TFLOPS
VS

Graphics Card

Mar 2011
Release Date
Apr 2011
Northern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1250 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
64.00GB/s

Render Config

24
Compute Units
6
-
-
-
1536
Shading Units
480
96
TMUs
24
32
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

26.56 GPixel/s
Pixel Rate
5.200 GPixel/s
79.68 GTexel/s
Texture Rate
15.60 GTexel/s
-
-
-
2.550 TFLOPS
FP32 (float)
624.0 GFLOPS
637.4 GFLOPS
FP64 (double)
-

Board Design

375W
TDP
60W
750 W
Suggested PSU
250 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 8-pin
Power Connectors
None

Graphics Processor

Antilles
GPU Name
Turks
Antilles XT (215-0807027)
GPU Variant
Turks PRO (215-0803002)
TeraScale 3
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.64 billion
Transistors
0.716 billion
389 mm²
Die Size
118 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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