Radeon HD 7990 and GeForce RTX 3090 - video card comparison
Passmark - benchmark score Radeon HD 7990 vs GeForce RTX 3090
Radeon HD 7990
5732
GeForce RTX 3090
27596
Radeon HD 7990
GeForce RTX 3090
Architecture
GCN 1.0 (2012−2020)
Ampere (2020−2022)
GPU code name
Malta
Ampere GA102
Market segment
Desktop
Desktop
Release date
April 2013
September 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 12-pin
Boost clock speed
1000 MHz
1700 MHz
Core clock speed
950 MHz
1400 MHz
Floating-point performance
2x 4,096 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
4,313 million
28,300 million
Pipelines / CUDA cores
2048
10496
Power consumption (TDP)
375 Watt
350 Watt
Texture fill rate
128.0
556.0
Memory type
GDDR5
GDDR6X
Maximum RAM amount
3 GB
24 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
6000 MHz
19500 MHz
Memory bandwidth
288.0 GB/s
936.2 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.5
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.2.131
1.2