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 A770
CORE STATE
DG2-512
VRAM
16 GB
CLOCK SPEED
2400 MHz
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
A770
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
2100 MHz
Boost Clock
900 MHz
2400 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
307.2 GPixel/s
Texture Rate
21.60 GTexel/s
614.4 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
19.66 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
2.458 TFLOPS (1:8)
FP16 (TFLOPS)
—
39.32 TFLOPS (2:1)
AI/RT
RT Cores
—
32
XMX Cores
—
512
Power
TDP
—
225 W
TDP (W)
—
225
Suggested PSU
—
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Xe-HPG
GPU Name
Mars
DG2-512
Generation
Solar System
(HD 8700M)
Alchemist
(Arc 7)
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
Dual-slot
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 2.0
Bus Interface
MXM-A (3.0)
PCIe 4.0 x16
Other
Launch Price
—
329 USD
Production
End-of-life
End-of-life
Predecessor
London
Xe Graphics
Successor
Gem System
Battlemage