GPU Comparison
RADEON
AMD Radeon HD 7790
CORE STATE
Bonaire
VRAM
1024 MB
CLOCK SPEED
—
TDP
85 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 2.0
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_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
Pro Duo
Core Specs
Shading Units
896
4,096
+357.1%
Shaders
896
4,096
+357.1%
TMUs
56
256
+357.1%
ROPs
16
64
+300.0%
Compute Units
14
64
+357.1%
Clocks
GPU Clock
1000 MHz
1000 MHz
Memory Clock
1500 MHz
6 Gbps effective
500 MHz
1000 Mbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
GDDR5
HBM
Memory Bus
128 bit
4096 bit
Bandwidth
96.00 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
16.00 GPixel/s
64.00 GPixel/s
Texture Rate
56.00 GTexel/s
256.0 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
8.192 TFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
512.0 GFLOPS (1:16)
FP16 (TFLOPS)
—
8.192 TFLOPS (1:1)
Power
TDP
85 W
350 W
TDP (W)
85
350
+311.8%
Suggested PSU
250 W
750 W
Power Connectors
1x 6-pin
3x 8-pin
Architecture
Architecture
GCN 2.0
GCN 3.0
GPU Name
Bonaire
Capsaicin
Generation
Southern Islands
(HD 7700)
Radeon Pro GCN
Process Size
28 nm
28 nm
Transistors
2,080 million
8,900 million
Die Size
160 mm²
596 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
14.9M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1
2.1
Shader Model
6.5
6.5
Physical
Slot Width
Dual-slot
Dual-slot
Length
183 mm
7.2 inches
277 mm
10.9 inches
Height
—
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 1.4a3x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
149 USD
1,499 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
FirePro GCN
Successor
Sea Islands
Radeon Pro Polaris