GPU Comparison
RADEON
AMD Radeon HD 7970
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
RADEON
Radeon Vega 8 Mobile
CORE STATE
Raven-M
VRAM
System Shared
CLOCK SPEED
1101 MHz
TDP
25 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
Vega 8 Mobile
Core Specs
Shading Units
2,048
512
-75.0%
Shaders
2,048
512
-75.0%
TMUs
128
32
-75.0%
ROPs
32
8
-75.0%
Compute Units
32
8
-75.0%
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1101 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 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
264.0 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
—
Performance
Pixel Rate
29.60 GPixel/s
8.808 GPixel/s
Texture Rate
118.4 GTexel/s
35.23 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
1,127.4 GFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
70.46 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.255 TFLOPS (2:1)
Power
TDP
250 W
25 W
TDP (W)
250
25
-90.0%
Suggested PSU
600 W
—
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
GCN 5.0
GPU Name
Tahiti
Raven-M
Generation
Southern Islands
(HD 7900)
Vega IGP
(Raven Ridge-M)
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
275 mm
10.8 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
IGP
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GCN 3.0 IGP
Successor
Sea Islands
Navi II IGP