GPU Comparison
RADEON
AMD Radeon HD 8790M
CORE STATE
Mars
VRAM
2 GB
CLOCK SPEED
900 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
GPU
Arc A770M
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2050 MHz
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
A770M
Core Specs
Shading Units
384
4,096
+966.7%
Shaders
384
4,096
+966.7%
TMUs
24
256
+966.7%
ROPs
8
128
+1500.0%
Compute Units
6
—
Execution Units
—
512
Clocks
Base Clock
850 MHz
1650 MHz
Boost Clock
900 MHz
2050 MHz
Memory Clock
1000 MHz
4 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
64.00 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
16 MB
Performance
Pixel Rate
7.200 GPixel/s
262.4 GPixel/s
Texture Rate
21.60 GTexel/s
524.8 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
16.79 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
—
FP16 (TFLOPS)
—
33.59 TFLOPS (2:1)
AI/RT
RT Cores
—
32
XMX Cores
—
512
Power
TDP
—
120 W
TDP (W)
—
120
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
Xe-HPG
GPU Name
Mars
DG2-512
Generation
Solar System
(HD 8700M)
Alchemist
(Arc 7 Mobile)
Process Size
28 nm
6 nm
Transistors
950 million
21,700 million
Die Size
77 mm²
406 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
53.4M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
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
Portable Device Dependent
Bus Interface
MXM-A (3.0)
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—