AMD Radeon HD 7790 vs AMD Radeon RX 7900 XT
GPU · Specs Compare
Graphics Card
Release Date
Mar 2013
Nov 2022
Generation
Southern Islands
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1500 MHz
2500 MHz
Base Clock
—
1387 MHz
Boost Clock
—
2394 MHz
Memory
Memory Size
1024MB
20GB
Memory Type
GDDR5
GDDR6
Memory Bus
128bit
320bit
Bandwidth
96.00GB/s
800.0GB/s
Render Config
Compute Units
14
84
Shading Units
896
5376
TMUs
56
336
ROPs
16
192
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
256 KB
6 MB
RT Cores
—
84
L3 Cache
—
80 MB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
459.6 GPixel/s
Texture Rate
56.00 GTexel/s
804.4 GTexel/s
FP32 (float)
1.792 TFLOPS
51.48 TFLOPS
FP64 (double)
112.0 GFLOPS
1.609 TFLOPS
FP16 (half)
—
103.0 TFLOPS
Graphics Processor
GPU Name
Bonaire
Navi 31
GPU Variant
Bonaire XT(215-0839039)
Navi 31 XT(215-145000156)
Architecture
GCN 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.08 billion
57.7 billion
Die Size
160 mm²
529 mm²
Board Design
TDP
85W
300W
Suggested PSU
250 W
700 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.3
Shader Model
6.3
6.8
Benchmark
3DMark Time Spy
1,307
26,829
3DMark Time Spy Extreme
409
13,130
3DMark Speed Way
—
5,364
▲ Specs Compare
Data sourced from official specifications and benchmark tests.