AMD Radeon HD 6990 vs AMD Radeon RX 570 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2011
Dec 2017
Generation
Northern Islands
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1250 MHz
1650 MHz
Base Clock
—
926 MHz
Boost Clock
—
1206 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
211.2GB/s
Render Config
Compute Units
24
32
Shading Units
1536
2048
TMUs
96
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
26.56 GPixel/s
38.59 GPixel/s
Texture Rate
79.68 GTexel/s
154.4 GTexel/s
FP32 (float)
2.550 TFLOPS
4.940 TFLOPS
FP64 (double)
637.4 GFLOPS
308.7 GFLOPS
FP16 (half)
—
4.940 TFLOPS
Graphics Processor
GPU Name
Antilles
Ellesmere
GPU Variant
Antilles XT(215-0807027)
Ellesmere PRO
Architecture
TeraScale 3
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
40 nm
14 nm
Transistors
2.64 billion
5.7 billion
Die Size
389 mm²
232 mm²
Board Design
TDP
375W
85W
Suggested PSU
750 W
—
Outputs
1x DVI4x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.2
Shader Model
5.0
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.