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 Duo
CORE STATE
Capsaicin
VRAM
4 GB
CLOCK SPEED
—
TDP
350 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
Pro Duo
Core Specs
Shading Units
384
4,096
+966.7%
Shaders
384
4,096
+966.7%
TMUs
24
256
+966.7%
ROPs
8
64
+700.0%
Compute Units
6
64
+966.7%
Clocks
Base Clock
850 MHz
—
Boost Clock
900 MHz
—
GPU Clock
—
1000 MHz
Memory Clock
1000 MHz
4 Gbps effective
500 MHz
1000 Mbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
HBM
Memory Bus
128 bit
4096 bit
Bandwidth
64.00 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
7.200 GPixel/s
64.00 GPixel/s
Texture Rate
21.60 GTexel/s
256.0 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
8.192 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
512.0 GFLOPS (1:16)
FP16 (TFLOPS)
—
8.192 TFLOPS (1:1)
Power
TDP
—
350 W
TDP (W)
—
350
Suggested PSU
—
750 W
Power Connectors
None
3x 8-pin
Architecture
Architecture
GCN 1.0
GCN 3.0
GPU Name
Mars
Capsaicin
Generation
Solar System
(HD 8700M)
Radeon Pro GCN
Process Size
28 nm
28 nm
Transistors
950 million
8,900 million
Die Size
77 mm²
596 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
14.9M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.5
Physical
Slot Width
MXM Module
Dual-slot
Length
—
277 mm
10.9 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x HDMI 1.4a3x DisplayPort 1.2
Bus Interface
MXM-A (3.0)
PCIe 3.0 x16
Other
Launch Price
—
1,499 USD
Production
End-of-life
End-of-life
Predecessor
London
FirePro GCN
Successor
Gem System
Radeon Pro Polaris