AMD Radeon HD 7990 vs NVIDIA GeForce RTX 5080 Full Specs

Summary

4,096 Shaders 1GHz	10,752 Shaders 2.62GHz
6GB GDDR5576GB/s	16GB GDDR7960GB/s
Peak·FP32·FP16 8.19 TFLOPS	Peak·FP32·FP16 56.28 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 375W	TDP 360W
Power Connectors - 2x 8-Pin	Power Connectors 1x 16-Pin 12VHPWR -

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP4 FP4 Tensor Sparse Tensor FP8-16 FP8-16 Tensor Sparse Tensor FP8-32 FP8-32 Tensor Sparse Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor TF32 Tensor INT8 Memory Bandwidth TDP

Radeon HD 79908.19 TFLOPSFP32 (2x 4.1 TFLOPS)

x1

GeForce RTX 50801.8 PFLOPSFP4 Tensor Sparse

x219.83

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Theoretical Performance

Clock Speed1000MHz UC·Base·Boost·OC	Clock Speed2617MHz UC·Base·Boost·OC
Peak OPS 8.19 TFLOPSFP32	Peak OPS 1.8 PFLOPSFP4 Tensor Sparse
-	Tensor FP4 900.4 TFLOPS FP4 Tensor Sparse 1.8 PFLOPS
-	Tensor FP8-16 450.2 TFLOPS FP8-16 Tensor Sparse 900.4 TFLOPS Tensor FP8-32 225.1 TFLOPS FP8-32 Tensor Sparse 450.2 TFLOPS
-	Tensor FP16-16 225.1 TFLOPS FP16-16 Tensor Sparse 450.2 TFLOPS Tensor FP16-32 112.6 TFLOPS FP16-32 Tensor Sparse 225.1 TFLOPS
-	BF16 56.28 TFLOPS Tensor BF16 112.6 TFLOPS BF16 Tensor Sparse 225.1 TFLOPS
Tensor TF32 -	Tensor TF32 56.28 TFLOPS
FP32 8.19 TFLOPS	FP32 56.28 TFLOPS
FP64 2.05 TFLOPS	FP64 879.3 GFLOPS
-	Tensor INT8 450.2 TOPS
Ray -	Ray 170.7 TOPS
Pixel Rate 32 GPixel/s	Pixel Rate 293.1 GPixel/s
Texture Rate 128 GTexel/s	Texture Rate 879.3 GTexel/s

Core Config

Shaders 4,096 Shaders	Shaders 10,752 Shaders
TMUs 256 TMUs	TMUs 336 TMUs
ROPs 64 ROPs	ROPs 112 ROPs
Tensor Cores -	Tensor Cores 336 T-Cores
RT Cores -	RT Cores 84 RT-Cores
CUs 64 CUs	SMs 84 SMs

Clocks

Base Clock 950MHz	Base Clock 2.3GHz
Boost Clock 1GHz	Boost Clock 2.62GHz

Cache

L2 Cache 768KB shared

L2 Cache 65.5MB shared

Memory

6GB GDDR5	16GB GDDR7
Memory Bus 384-bit	Memory Bus 256-bit
Memory Speed 6GT/s	Memory Speed 30GT/s
Memory Bandwidth 576GB/s	Memory Bandwidth 960GB/s
ECC No	ECC No

Power & Thermals

TDP 375W	TDP 360W
Max Temp -	Max Temp 88°C Max

Video Output

Multi-Monitor 4	Multi-Monitor 4
HDCP -	HDCP HDCP 2.3

Ports

-	3x DisplayPort 2.1
4x Mini DisplayPort 1.2	-
-	1x HDMI 2.1
1x DVI-I Dual-Link	-

Encoder

Encoder Model VCE 1.0

Encoder Model 2x NVENC 9

Decoder

Decoder Model UVD 3.2

Decoder Model 2x NVDEC 6

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2.1-Slots
Height 115 mm (4.53") Width 304 mm (11.97") Depth 38 mm (1.5")	Height 137 mm (5.39") Width 304 mm (11.97") Depth 42 mm (1.65")
Cooling Open-Air 3x Fans	Cooling Open-Air 2x Fans
Power Connectors 2x 8-Pin	Power Connectors 1x 16-Pin 12VHPWR

Chip

Manufacturer AMD	Manufacturer NVIDIA
Chip Designer AMD	Chip Designer NVIDIA
Architecture GCN 1	Architecture Blackwell
Family Radeon HD 7000	Family GeForce 50
Branding	Branding
Codename Tahiti	Codename NV193
Chip Variant Tahiti LE	Chip Variant GB203-200-A1
Market Segment Desktop	Market Segment Desktop
Release Date Apr 24, 2013	Release Date Jan 6, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 28nm	Fabrication Node 4NP
Die Size 352mm²	Die Size 378mm²
Transistor Count 4.3 Billion	Transistor Count 45.6 Billion
Transistor Density 12.25 MTr/mm²	Transistor Density 120.6 MTr/mm²

Images

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