GPU Comparison
RADEON
AMD Radeon HD 7970M
CORE STATE
Wimbledon
VRAM
2 GB
CLOCK SPEED
—
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GPU
Iris Xe MAX Graphics
CORE STATE
DG1
VRAM
4 GB
CLOCK SPEED
1650 MHz
TDP
25 W
BUS WIDTH
128 bit
ARCHITECTURE
Generation 12.1
PROCESS
10 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970M
Iris Xe MAX Graphics
Core Specs
Shading Units
1,280
768
-40.0%
Shaders
1,280
768
-40.0%
TMUs
80
48
-40.0%
ROPs
32
24
-25.0%
Compute Units
20
—
Execution Units
—
96
Clocks
Base Clock
—
300 MHz
Boost Clock
—
1650 MHz
GPU Clock
850 MHz
—
Memory Clock
1200 MHz
4.8 Gbps effective
2133 MHz
4.3 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
LPDDR4X
Memory Bus
256 bit
128 bit
Bandwidth
153.6 GB/s
68.26 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
1024 KB
L3 Cache
—
16 MB
Performance
Pixel Rate
27.20 GPixel/s
39.60 GPixel/s
Texture Rate
68.00 GTexel/s
79.20 GTexel/s
FP32 (TFLOPS)
2.176 TFLOPS
2.534 TFLOPS
FP64 (TFLOPS)
136.0 GFLOPS (1:16)
633.6 GFLOPS (1:4)
FP16 (TFLOPS)
—
5.069 TFLOPS (2:1)
Power
TDP
100 W
25 W
TDP (W)
100
25
-75.0%
Suggested PSU
—
200 W
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
Generation 12.1
GPU Name
Wimbledon
DG1
Generation
London
(HD 7900M)
Xe Graphics
Process Size
28 nm
10 nm
Transistors
2,800 million
—
Die Size
212 mm²
95 mm²
Foundry
TSMC
Intel
Density
13.2M / mm²
—
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
Shader Model
6.5 (5.1)
6.6
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
No outputs
Bus Interface
MXM-B (3.0)
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Vancouver
Graphics
Successor
Solar System
Alchemist