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 WX 3100
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1219 MHz
TDP
65 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
Pro WX 3100
Core Specs
Shading Units
1,792
512
-71.4%
Shaders
1,792
512
-71.4%
TMUs
112
32
-71.4%
ROPs
32
16
-50.0%
Compute Units
28
8
-71.4%
Clocks
Base Clock
—
925 MHz
Boost Clock
—
1219 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
128 bit
Bandwidth
240.0 GB/s
96.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
512 KB
Performance
Pixel Rate
25.60 GPixel/s
19.50 GPixel/s
Texture Rate
89.60 GTexel/s
39.01 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
1,248.3 GFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
78.02 GFLOPS (1:16)
FP16 (TFLOPS)
—
1,248.3 GFLOPS (1:1)
Power
TDP
200 W
65 W
TDP (W)
200
65
-67.5%
Suggested PSU
550 W
250 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Tahiti
Lexa
Generation
Southern Islands
(HD 7900)
Radeon Pro Polaris
(WX x100)
Process Size
28 nm
14 nm
Transistors
4,313 million
2,200 million
Die Size
352 mm²
103 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
21.4M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.7
Physical
Slot Width
Dual-slot
Single-slot
Length
278 mm
10.9 inches
168 mm
6.6 inches
Height
111 mm
4.4 inches
69 mm
2.7 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DisplayPort 1.4a2x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Launch Price
449 USD
199 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Radeon Pro GCN
Successor
Sea Islands
Radeon Pro Vega