AMD P30PH vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Unknown
Mar 2011
Generation
Mining GPUs
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1120 MHz
-
Boost Clock
1206 MHz
-
Memory Clock
2100 MHz
1250 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
268.8GB/s
160.0GB/s
Render Config
Compute Units
32
24
Shading Units
2048
1536
TMUs
128
96
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
38.59 GPixel/s
26.56 GPixel/s
Texture Rate
154.4 GTexel/s
79.68 GTexel/s
FP16 (half)
4.940 TFLOPS
-
FP32 (float)
4.940 TFLOPS
2.550 TFLOPS
FP64 (double)
308.7 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Antilles
Architecture
GCN 4.0
TeraScale 3
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
40 nm
Transistors
5.7 billion
2.64 billion
Die Size
232 mm²
389 mm²
GPU Variant
-
Antilles XT(215-0807027)
Board Design
TDP
180W
375W
Suggested PSU
450 W
750 W
Outputs
1x HDMI 2.0b
1x DVI4x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.7
5.0