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
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_metal
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
A770
Core Specs
Shading Units
896
4,096
+357.1%
Shaders
896
4,096
+357.1%
TMUs
56
256
+357.1%
ROPs
16
128
+700.0%
Compute Units
14
—
Execution Units
—
512
Clocks
Base Clock
—
2100 MHz
Boost Clock
—
2400 MHz
GPU Clock
1000 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
1024 MB
16 GB
VRAM (MB)
1,024
16,384
+1500.0%
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)
—
L2 Cache
256 KB
16 MB
Performance
Pixel Rate
16.00 GPixel/s
307.2 GPixel/s
Texture Rate
56.00 GTexel/s
614.4 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
19.66 TFLOPS
FP64 (TFLOPS)
112.0 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
85 W
225 W
TDP (W)
85
225
+164.7%
Suggested PSU
250 W
550 W
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 2.0
Xe-HPG
GPU Name
Bonaire
DG2-512
Generation
Southern Islands
(HD 7700)
Alchemist
(Arc 7)
Process Size
28 nm
6 nm
Transistors
2,080 million
21,700 million
Die Size
160 mm²
406 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
53.4M / 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
3.0
Shader Model
6.5
6.6
Physical
Slot Width
Dual-slot
Dual-slot
Length
183 mm
7.2 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 2.0
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
149 USD
329 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Xe Graphics
Successor
Sea Islands
Battlemage