GPU Comparison
RADEON
AMD Radeon HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
RADEON
Radeon Pro Duo
CORE STATE
Capsaicin
VRAM
4 GB
CLOCK SPEED
—
TDP
350 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
Pro Duo
Core Specs
Shading Units
1,792
4,096
+128.6%
Shaders
1,792
4,096
+128.6%
TMUs
112
256
+128.6%
ROPs
32
64
+100.0%
Compute Units
28
64
+128.6%
Clocks
GPU Clock
800 MHz
1000 MHz
Memory Clock
1250 MHz
5 Gbps effective
500 MHz
1000 Mbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
HBM
Memory Bus
384 bit
4096 bit
Bandwidth
240.0 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
2 MB
Performance
Pixel Rate
25.60 GPixel/s
64.00 GPixel/s
Texture Rate
89.60 GTexel/s
256.0 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
8.192 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
512.0 GFLOPS (1:16)
FP16 (TFLOPS)
—
8.192 TFLOPS (1:1)
Power
TDP
200 W
350 W
TDP (W)
200
350
+75.0%
Suggested PSU
550 W
750 W
Power Connectors
2x 6-pin
3x 8-pin
Architecture
Architecture
GCN 1.0
GCN 3.0
GPU Name
Tahiti
Capsaicin
Generation
Southern Islands
(HD 7900)
Radeon Pro GCN
Process Size
28 nm
28 nm
Transistors
4,313 million
8,900 million
Die Size
352 mm²
596 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
14.9M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.5
Physical
Slot Width
Dual-slot
Dual-slot
Length
278 mm
10.9 inches
277 mm
10.9 inches
Height
111 mm
4.4 inches
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 1.4a3x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
449 USD
1,499 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
FirePro GCN
Successor
Sea Islands
Radeon Pro Polaris