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
RADEON
Radeon PRO W7900
CORE STATE
Navi 31
VRAM
48 GB
CLOCK SPEED
2495 MHz
TDP
295 W
BUS WIDTH
384 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
PRO W7900
Core Specs
Shading Units
384
6,144
+1500.0%
Shaders
384
6,144
+1500.0%
TMUs
24
384
+1500.0%
ROPs
8
192
+2300.0%
Compute Units
6
96
+1500.0%
Clocks
Base Clock
850 MHz
1855 MHz
Boost Clock
900 MHz
2495 MHz
Memory Clock
1000 MHz
4 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
48 GB
VRAM (MB)
2,048
49,152
+2300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
384 bit
Bandwidth
64.00 GB/s
864.0 GB/s
Cache
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
256 KB
6 MB
L3 Cache
—
96 MB
L0 Cache
—
64 KB per WGP
Performance
Pixel Rate
7.200 GPixel/s
479.0 GPixel/s
Texture Rate
21.60 GTexel/s
958.1 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
61.32 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
1.916 TFLOPS (1:32)
FP16 (TFLOPS)
—
122.6 TFLOPS (2:1)
AI/RT
RT Cores
—
96
Matrix Cores
—
192
Power
TDP
—
295 W
TDP (W)
—
295
Suggested PSU
—
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 1.0
RDNA 3.0
GPU Name
Mars
Navi 31
Codename
—
Plum Bonito
Generation
Solar System
(HD 8700M)
Radeon Pro Navi
(Navi III Series)
Process Size
28 nm
5 nm
Transistors
950 million
57,700 million
Die Size
77 mm²
529 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
109.1M / mm²
AMD MCM
GCD Transistors
—
45,400 million
GCD Die Size
—
304.35 mm²
MCD Transistors
—
2,050 million x6
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)
2.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
MXM Module
Triple-slot
Length
—
280 mm
11 inches
Height
—
110 mm
4.3 inches
Outputs
Portable Device Dependent
3x DisplayPort 2.11x mini-DisplayPort 2.1
Bus Interface
MXM-A (3.0)
PCIe 4.0 x16
Other
Launch Price
—
3,999 USD
Production
End-of-life
Active
Predecessor
London
Radeon Pro Vega
Successor
Gem System
—