AMD Radeon RX 7900 GRE vs AMD Radeon HD 7990
GPU Specs Compare
Graphics Card
Release Date
Jul 2023
Apr 2013
Generation
Navi III
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1287 MHz
950 MHz
Boost Clock
2245 MHz
1000 MHz
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
16GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
576.0GB/s
288.0GB/s
Render Config
Compute Units
80
32
Shading Units
5120
2048
TMUs
320
128
ROPs
160
32
RT Cores
80
-
L1 Cache
256 KB per Array
16 KB (per CU)
L2 Cache
6 MB
768 KB
L3 Cache
64 MB
-
Theoretical Performance
Pixel Rate
359.2 GPixel/s
32.00 GPixel/s
Texture Rate
718.4 GTexel/s
128.0 GTexel/s
FP16 (half)
91.96 TFLOPS
-
FP32 (float)
45.98 TFLOPS
4.096 TFLOPS
FP64 (double)
1436.8 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
Navi 31
Malta
GPU Variant
Navi 31 XL(215-145000206)
Malta XT(215-0849026)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
57.7 billion
4.313 billion
Die Size
529 mm²
365 mm²
Board Design
TDP
260W
375W
Suggested PSU
600 W
750 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
1x DVI4x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.2
1.2
Vulkan
1.3
1.2
Shader Model
6.8
5.1
📊 Benchmark
3DMark Time Spy
22,476
-
3DMark Time Spy Extreme
10,591
-
3DMark Speed Way
4,417
-
Cyberpunk 2077 2160p
40
-
Cyberpunk 2077 1440p
88
-
Blender
3,114
-
Cyberpunk 2077 1080p
130
-