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 Vega 8
CORE STATE
Raven
VRAM
System Shared
CLOCK SPEED
1100 MHz
TDP
25 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
Vega 8
Core Specs
Shading Units
1,792
512
-71.4%
Shaders
1,792
512
-71.4%
TMUs
112
32
-71.4%
ROPs
32
8
-75.0%
Compute Units
28
8
-71.4%
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1100 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
System Shared
Memory
Memory Size
3 GB
System Shared
VRAM (MB)
3,072
—
Memory Type
GDDR5
System Shared
Memory Bus
384 bit
System Shared
Bandwidth
240.0 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
—
Performance
Pixel Rate
25.60 GPixel/s
8.800 GPixel/s
Texture Rate
89.60 GTexel/s
35.20 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
1,126.4 GFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
70.40 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.253 TFLOPS (2:1)
Power
TDP
200 W
25 W
TDP (W)
200
25
-87.5%
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
GCN 5.0
GPU Name
Tahiti
Raven
Generation
Southern Islands
(HD 7900)
Vega IGP
(Raven Ridge)
Process Size
28 nm
14 nm
Transistors
4,313 million
4,940 million
Die Size
352 mm²
210 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
23.5M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
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
IGP
Length
278 mm
10.9 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Motherboard Dependent
Bus Interface
PCIe 3.0 x16
IGP
Other
Launch Price
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GCN 3.0 IGP
Successor
Sea Islands
Vega II IGP