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 W6800X
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
2087 MHz
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
Pro W6800X
Core Specs
Shading Units
896
3,840
+328.6%
Shaders
896
3,840
+328.6%
TMUs
56
240
+328.6%
ROPs
16
96
+500.0%
Compute Units
14
60
+328.6%
Clocks
Base Clock
—
1800 MHz
Boost Clock
—
2087 MHz
GPU Clock
1000 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
1024 MB
32 GB
VRAM (MB)
1,024
32,768
+3100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
96.00 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
256 KB
4 MB
L3 Cache
—
128 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
16.00 GPixel/s
200.4 GPixel/s
Texture Rate
56.00 GTexel/s
500.9 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
16.03 TFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
1,001.8 GFLOPS (1:16)
FP16 (TFLOPS)
—
32.06 TFLOPS (2:1)
AI/RT
RT Cores
—
60
Power
TDP
85 W
200 W
TDP (W)
85
200
+135.3%
Suggested PSU
250 W
550 W
Power Connectors
1x 6-pin
Apple MPX
Architecture
Architecture
GCN 2.0
RDNA 2.0
GPU Name
Bonaire
Navi 21
Generation
Southern Islands
(HD 7700)
Radeon Pro Mac
(Navi II Series)
Process Size
28 nm
7 nm
Transistors
2,080 million
26,800 million
Die Size
160 mm²
520 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
51.5M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
2.1
Shader Model
6.5
6.8
Physical
Slot Width
Dual-slot
Quad-slot
Length
183 mm
7.2 inches
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.14x Thunderbolt
Bus Interface
PCIe 3.0 x16
Apple MPX
Other
Launch Price
149 USD
2,799 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—